Tramadol is synthetic opioid so it is a narcotic per say(fentanyl, sufenta, alfentanil etc are all synthetic opioids), but is highly receptor specific so there is very little problem with respiratory depression, dependence etc.
The Smithsonian Institution is established as a trust instrumentality by act of Congress, and it is functionally and legally a body of the U.S. government, but separate from the government's federal legislative, executive, and judicial branches.
Act of Organization. The Smithsonian Institution was created as a federal establishment, not part of the three branches of government, managed by a self-perpetuating Board of Regents. The Smithsonian Regents had to decide how to carry out Smithson's vague mandate and the broad legislation.